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Air quality in Princeton
Air quality index (AQI) and PM2.5 air pollution in Princeton
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Princeton Air Quality Map
Real-time Princeton air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Princeton today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Very high | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Princeton?
| Weather | Rain |
| Temperature | 64.4°F |
| Humidity | 89% |
| Wind | 6.9 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Duluth, Minnesota | 171 |
| 2 | Detroit Lakes, Minnesota | 141 |
| 3 | Fort Thompson, South Dakota | 107 |
| 4 | Corpus Christi, Texas | 95 |
| 5 | Hot Springs, South Dakota | 88 |
| 6 | Houghton, Michigan | 78 |
| 7 | Fontana, California | 75 |
| 8 | Glendale, California | 72 |
| 9 | San Fernando, California | 72 |
| 10 | Malibu, California | 71 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
52*
live AQI index
Moderate
Overview
What is the current air quality in Princeton?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 52* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 9.5*µg/m³ | |
!
PM2.5
x1.9
PM2.5 concentration in Princeton is currently 1.9 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Princeton?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Princeton air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 52 AQI US | 100% | 69.8° 60.8° |  13.4 mp/h |
| Monday, May 13 | Good 50 AQI US  | 100% | 78.8° 62.6° | 13.4 mp/h |
| Tuesday, May 14 | Moderate 55 AQI US |  | 78.8° 57.2° | 11.2 mp/h |
| Wednesday, May 15 | Moderate 63 AQI US | | 80.6° 59° | 11.2 mp/h |
| Thursday, May 16 | Moderate 63 AQI US | 100% | 75.2° 64.4° | 17.9 mp/h |
| Friday, May 17 | Moderate 66 AQI US | 100% | 84.2° 66.2° | 11.2 mp/h |
| Saturday, May 18 | Moderate 80 AQI US | 60% | 80.6° 64.4° | 13.4 mp/h |
| Sunday, May 19 | Moderate 65 AQI US | | 84.2° 62.6° | 8.9 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Princeton?
No locations are available.
AQI US, Metric